EP4207342A4 - Appareil électrochimique et appareil électronique - Google Patents

Appareil électrochimique et appareil électronique

Info

Publication number
EP4207342A4
EP4207342A4 EP20962932.8A EP20962932A EP4207342A4 EP 4207342 A4 EP4207342 A4 EP 4207342A4 EP 20962932 A EP20962932 A EP 20962932A EP 4207342 A4 EP4207342 A4 EP 4207342A4
Authority
EP
European Patent Office
Prior art keywords
electrochemical
electronic
electronic apparatus
electrochemical apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20962932.8A
Other languages
German (de)
English (en)
Other versions
EP4207342A1 (fr
Inventor
Xiaoqian Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Amperex Technology Ltd
Original Assignee
Dongguan Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Amperex Technology Ltd filed Critical Dongguan Amperex Technology Ltd
Publication of EP4207342A1 publication Critical patent/EP4207342A1/fr
Publication of EP4207342A4 publication Critical patent/EP4207342A4/fr
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0404Methods of deposition of the material by coating on electrode collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621Binders
    • H01M4/622Binders being polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • H01M4/66Selection of materials
    • H01M4/665Composites
    • H01M4/667Composites in the form of layers, e.g. coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/474Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside the cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/48Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/64Carriers or collectors
    • H01M4/66Selection of materials
    • H01M4/661Metal or alloys, e.g. alloy coatings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP20962932.8A 2020-11-27 2020-11-27 Appareil électrochimique et appareil électronique Pending EP4207342A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/132350 WO2022110042A1 (fr) 2020-11-27 2020-11-27 Appareil électrochimique et appareil électronique

Publications (2)

Publication Number Publication Date
EP4207342A1 EP4207342A1 (fr) 2023-07-05
EP4207342A4 true EP4207342A4 (fr) 2025-02-12

Family

ID=78237886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20962932.8A Pending EP4207342A4 (fr) 2020-11-27 2020-11-27 Appareil électrochimique et appareil électronique

Country Status (6)

Country Link
US (1) US20230231145A1 (fr)
EP (1) EP4207342A4 (fr)
JP (1) JP7622210B2 (fr)
KR (1) KR102898224B1 (fr)
CN (2) CN116722100A (fr)
WO (1) WO2022110042A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023123353A1 (fr) * 2021-12-31 2023-07-06 东莞新能源科技有限公司 Dispositif électrochimique et dispositif électronique
CN115425174B (zh) * 2022-10-08 2024-06-25 厦门海辰储能科技股份有限公司 电极极片和电化学装置
EP4535452A4 (fr) * 2022-12-26 2026-01-21 Lg Energy Solution Ltd Composition d'électrode pour batterie secondaire au lithium, suspension d'électrode, électrode et batterie secondaire au lithium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104466097A (zh) * 2014-12-16 2015-03-25 东莞新能源科技有限公司 一种电极片及含有该电极片的锂离子电池
CN109244362A (zh) * 2018-11-05 2019-01-18 宁德新能源科技有限公司 正极极片、电化学装置及包含其的电子装置
JP2020113486A (ja) * 2019-01-15 2020-07-27 トヨタ自動車株式会社 正極
JP2020181636A (ja) * 2019-04-23 2020-11-05 トヨタ自動車株式会社 二次電池

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009163942A (ja) * 2007-12-28 2009-07-23 Panasonic Corp 非水系二次電池およびその製造方法
KR101077870B1 (ko) * 2010-02-26 2011-10-28 주식회사 엘지화학 접착력이 우수한 이차전지용 바인더
CN202373668U (zh) * 2011-12-16 2012-08-08 东莞新能源科技有限公司 圆柱形锂离子电池的电芯及其正极片
KR102134016B1 (ko) * 2015-10-20 2020-07-14 주식회사 엘지화학 전극 및 그를 포함하는 전기화학소자
WO2019151833A1 (fr) * 2018-02-01 2019-08-08 주식회사 엘지화학 Électrode pour batterie secondaire au lithium, son procédé de fabrication et batterie secondaire au lithium la comprenant
KR102209826B1 (ko) * 2018-03-06 2021-01-29 삼성에스디아이 주식회사 분리막, 이의 제조방법 및 이를 포함하는 리튬전지
JP6965859B2 (ja) * 2018-09-20 2021-11-10 トヨタ自動車株式会社 電極の製造方法
CN110660963B (zh) * 2018-12-29 2021-04-27 宁德时代新能源科技股份有限公司 一种电极极片和电化学装置
JP7268442B2 (ja) * 2019-03-28 2023-05-08 株式会社Gsユアサ 電極の製造方法及び電極
TWI709607B (zh) * 2019-05-07 2020-11-11 長春人造樹脂廠股份有限公司 樹脂組合物及其應用
CN111180666B (zh) * 2019-06-28 2021-12-24 宁德时代新能源科技股份有限公司 一种电极极片和电化学装置
CN111139002B (zh) * 2019-12-30 2021-10-08 宣城研一新能源科技有限公司 锂离子电池水溶型粘接剂及其制备方法、电极极片及电池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104466097A (zh) * 2014-12-16 2015-03-25 东莞新能源科技有限公司 一种电极片及含有该电极片的锂离子电池
CN109244362A (zh) * 2018-11-05 2019-01-18 宁德新能源科技有限公司 正极极片、电化学装置及包含其的电子装置
JP2020113486A (ja) * 2019-01-15 2020-07-27 トヨタ自動車株式会社 正極
JP2020181636A (ja) * 2019-04-23 2020-11-05 トヨタ自動車株式会社 二次電池

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022110042A1 *

Also Published As

Publication number Publication date
KR102898224B1 (ko) 2025-12-10
KR20230093521A (ko) 2023-06-27
JP2023545281A (ja) 2023-10-27
EP4207342A1 (fr) 2023-07-05
WO2022110042A1 (fr) 2022-06-02
CN113597687A (zh) 2021-11-02
CN116722100A (zh) 2023-09-08
US20230231145A1 (en) 2023-07-20
JP7622210B2 (ja) 2025-01-27

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